<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Hello World Tween</title>
    <style>
    .container {
        position: relative;
    }
    #div1 {
        display: inline-block;
        width: 100px;
        height: 100px;
        background: #00bbff;
    }
    </style>
    <script src="../RequestAnimationFrame.js"></script>
    <script src="../Tween.js"></script>
</head>
<body>
    <div class="container">
        <div id="div1">hello world</div>
    </div>
    
    <button id="stop">停止</button>
<script src="./index.js"></script>
</body>
</html>